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2 years ago

10

Assume that an image is created by rotating another figure 180 degrees. Explain how you can you could determine the location of

the center of rotation

1 answer:

Vlad [161]2 years ago

8 0

Answer:

60 degree and 120 degree

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Show that if A is invertible, then det Upper A Superscript negative 1det A−1equals=StartFraction 1 Over det Upper A EndFraction

netineya [11]

Answer:

Therefore

$det(A)*det(A^{-1}) = 1$ and $det(A^{-1}) = 1/det(A)$

Step-by-step explanation:

Remember that if

$I$ = Identity Matrix

then $det(I)=1$ .

Also remember that for any invertible matrix

$A*A^{-1} = I =$ Identity Matrix.

Therefore

$det(A*A^{-1}) = det(A)*det(A^{-1}) = det(I) = 1$

Therefore

$det(A)*det(A^{-1}) = 1$ and $det(A^{-1}) = 1/det(A)$

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2 years ago

Liz flips a coin 40 times. The coin lands heads up 12 times and tails up 28 times. Complete each statement. The theoretical prob

zavuch27 [327]

Answer:

so you takeway 40 by 28 you get 12+12=24%

3 0

2 years ago

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The tasty Deli uses 6.5 lb of ham each day how many ounces of ham will be used in 3 w<br>eeks

vekshin1

136.5 lbs
There’s 16 ounces in a pound
135.5 • 16
Answer is 2,184 ounces of ham will be used in 3 weeks

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3 years ago

Read 2 more answers

On Tuesday the mailman delivers 3 checks for $5 each and 2 bills for each .if you had a starting balance of $25 , what is the en

ycow [4]

5x3=15 25+15=40 40-10=30

6 0

2 years ago

brainliest goes to whoever answers the question correctly also if you want more points answer my other questions

Sergeeva-Olga [200]

Answer:

A and B are functions

Step-by-step explanation:

for A, none of the x's repeat which makes it a FUNCTION

for B, when it starts with x^2, it will always be a FUNCTION (its a quadratic)

for C, 10 repeats for the x so it is NOT A FUNCTION

4 0

2 years ago